RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Binding Site Data:

Mineral: Montmorillonite
Reference: GEB10
SCM Type: CC - Constant Capacitance   (C1: 3.2 F/m2)
Ionic Strength: 0.0 mol/L of NaNO3
Site Type: »X-OH
PZC:
pK1: 6.04 pK1°I=0 (Conversion to I = 0): 6.04 pK12.31 nm−2 (normalized): 6.10
pK2: 6.63 pK2°I=0 (Conversion to I = 0): 6.63 pK22.31 nm−2 (normalized): 6.57
Site Density in nm-2: 2.6576
Original Site Density: 0.000203 mol / g solid
Solid/Liquid Ratio in g/L: 1.47
pH Range: 3-9
Temperature in K: 25.0
Method for Site Density: Potentiometric Titration
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: protolysis constants are averaged from values in the three ionic strengths (0.001, 0.01, 0.1 NaNO3) which were adjusted to zero ionic strength using the Davis equation
 
1 data sets were retrieved